Sapphire Radeon HD 7950 3GB OC Edition Video Card Review

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Power Consumption

For testing power consumption, we took our test system and plugged it
into a Kill-A-Watt power meter. For idle numbers, we allowed the system
to idle on the desktop for 15 minutes and took the reading. For load
numbers we measured the peak wattage used by the system while running
the OpenGL benchmark FurMark 1.9.2 at 640×480 resolution. We also ran the game HAWX 2 and looped the benchmark three times and recorded the highest Wattage seen on the meter. 

Total System Power Consumption Results

Power Consumption Results: The SAPPHIRE HD 7950 OC Edition video card does pretty well and it looks like we have a low leakage card here that sips the power as it does better than the other two Radeon HD 7950 cards that we have tested. The AMD Radeon HD 7000 series has impressive board power numbers and you can see what AMD claims below.

  Maximum Board Power Typical Board Power Long Idle Power
Radeon HD 7970 250W ~230W <3W
 Radeon HD 7950 200W ~180W  <3W
 Radeon HD 7770  100W  ~80W  <3W
 Radeon HD 7750 75W  ~55W  <3W

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